Пусть √x=z
Lim(z->1) (z^4-z)/(z-1)=
Lim(z->1) (z^3-1)*z/(z-1)=
Lim(z->1) (z^2+z+1)*z*(z-1)/(z-1)=
Lim(z->1) (z^2+z+1)*z=3
2/5-52/100*5/26=2/5-2/20=2/5-1/10=0,4-0,1=0,3
9600г=9,6кг
506ц=50600кг=50,6т
36400=36,4кг
67200=67,2км
<span><span>1.</span> 4целых13/45+4/45</span>
<span>4*45+13 это числитель</span>
<span>4целых13/45+4/45=197/45=<span>4целых17/45</span></span>
<span><span>2.</span> <span>3целых3/7+5целых4/7</span></span>
<span><span>24/7+39/7=63/7=<span>9</span></span></span>
<span><span><span>3.</span> <span>6целых1/12+1/18</span></span></span>
<span><span><span>73/12+1/18</span></span></span>
<span><span><span>219/36+2/36=221/36=<span>6цел.5/36</span></span></span></span>
<span><span><span><span>4.</span> <span>4целых2/15+7целых4/5</span></span></span></span>
<span><span><span><span>62/15+39/5=62/15+117/15=179/15=<span>11цел. 14/15</span></span></span></span></span>